CVE-2021-23509

Prototype Pollution

Medium · published November 3, 2021

CVSS v3.1
5.6
EPSS
2%
Percentile
78.7
In the wild
Unconfirmed
What it is

This affects the package json-ptr before 3.0.0. A type confusion vulnerability can lead to a bypass of CVE-2020-7766 when the user-provided keys used in the pointer parameter are arrays.

The record
Technical detail
CVSS v3.1
5.6 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.01828 · 78.7th percentile
Published
2021-11-03T17:20Z
EPSS history
Timeline
  • 03 NOV 17:20Z
    Prototype Pollution
    cvelistv5